18573620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71437}}^1$

素因数の和:71459

約数の個数: 24

約数和(自身を含む): 42005544

約数和(自身を除く): 23431924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71437, 142874, 285748, 357185, 714370, 928681, 1428740, 1857362, 3714724, 4643405, 9286810, 18573620]

約数ペア:

[(1, 18573620), (2, 9286810), (4, 4643405), (5, 3714724), (10, 1857362), (13, 1428740), (20, 928681), (26, 714370), (52, 357185), (65, 285748), (130, 142874), (260, 71437)]